/* crypto/evp/evp.h */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
 * All rights reserved.
 *
 * This package is an SSL implementation written
 * by Eric Young (eay@cryptsoft.com).
 * The implementation was written so as to conform with Netscapes SSL.
 *
 * This library is free for commercial and non-commercial use as long as
 * the following conditions are aheared to.  The following conditions
 * apply to all code found in this distribution, be it the RC4, RSA,
 * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
 * included with this distribution is covered by the same copyright terms
 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
 *
 * Copyright remains Eric Young's, and as such any Copyright notices in
 * the code are not to be removed.
 * If this package is used in a product, Eric Young should be given attribution
 * as the author of the parts of the library used.
 * This can be in the form of a textual message at program startup or
 * in documentation (online or textual) provided with the package.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *    "This product includes cryptographic software written by
 *     Eric Young (eay@cryptsoft.com)"
 *    The word 'cryptographic' can be left out if the rouines from the library
 *    being used are not cryptographic related :-).
 * 4. If you include any Windows specific code (or a derivative thereof) from
 *    the apps directory (application code) you must include an acknowledgement:
 *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
 *
 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * The licence and distribution terms for any publically available version or
 * derivative of this code cannot be changed.  i.e. this code cannot simply be
 * copied and put under another distribution licence
 * [including the GNU Public Licence.]
 */

#ifndef HEADER_ENVELOPE_H
#define HEADER_ENVELOPE_H

#ifdef OPENSSL_ALGORITHM_DEFINES
# include <openssl/opensslconf.h>
#else
# define OPENSSL_ALGORITHM_DEFINES
# include <openssl/opensslconf.h>
# undef OPENSSL_ALGORITHM_DEFINES
#endif

#include <openssl/ossl_typ.h>

#include <openssl/symhacks.h>

#ifndef OPENSSL_NO_BIO
#include <openssl/bio.h>
#endif

/*
#define EVP_RC2_KEY_SIZE		16
#define EVP_RC4_KEY_SIZE		16
#define EVP_BLOWFISH_KEY_SIZE		16
#define EVP_CAST5_KEY_SIZE		16
#define EVP_RC5_32_12_16_KEY_SIZE	16
*/
#define EVP_MAX_MD_SIZE      64                 /* longest known is SHA512 */
#define EVP_MAX_KEY_LENGTH   64
#define EVP_MAX_IV_LENGTH    16
#define EVP_MAX_BLOCK_LENGTH 32

#define PKCS5_SALT_LEN       8
/* Default PKCS#5 iteration count */
#define PKCS5_DEFAULT_ITER   2048

#include <openssl/objects.h>

#define EVP_PK_RSA           0x0001
#define EVP_PK_DSA           0x0002
#define EVP_PK_DH            0x0004
#define EVP_PK_EC            0x0008
#define EVP_PKT_SIGN         0x0010
#define EVP_PKT_ENC          0x0020
#define EVP_PKT_EXCH         0x0040
#define EVP_PKS_RSA          0x0100
#define EVP_PKS_DSA          0x0200
#define EVP_PKS_EC           0x0400
#define EVP_PKT_EXP          0x1000 /* <= 512 bit key */

#define EVP_PKEY_NONE        NID_undef
#define EVP_PKEY_RSA         NID_rsaEncryption
#define EVP_PKEY_RSA2        NID_rsa
#define EVP_PKEY_DSA         NID_dsa
#define EVP_PKEY_DSA1        NID_dsa_2
#define EVP_PKEY_DSA2        NID_dsaWithSHA
#define EVP_PKEY_DSA3        NID_dsaWithSHA1
#define EVP_PKEY_DSA4        NID_dsaWithSHA1_2
#define EVP_PKEY_DH          NID_dhKeyAgreement
#define EVP_PKEY_EC          NID_X9_62_id_ecPublicKey
#define EVP_PKEY_HMAC        NID_hmac
#define EVP_PKEY_CMAC        NID_cmac

#ifdef  __cplusplus
extern "C" {
#endif

/* Type needs to be a bit field
 * Sub-type needs to be for variations on the method, as in, can it do
 * arbitrary encryption.... */
struct evp_pkey_st {
    int type;
    int save_type;
    int references;
    const EVP_PKEY_ASN1_METHOD *ameth;
    ENGINE *engine;
    union   {
        char *ptr;
#ifndef OPENSSL_NO_RSA
        struct rsa_st *rsa;             /* RSA */
#endif
#ifndef OPENSSL_NO_DSA
        struct dsa_st *dsa;             /* DSA */
#endif
#ifndef OPENSSL_NO_DH
        struct dh_st *dh;               /* DH */
#endif
#ifndef OPENSSL_NO_EC
        struct ec_key_st *ec;           /* ECC */
#endif
    } pkey;
    int save_parameters;
    STACK_OF(X509_ATTRIBUTE) * attributes;    /* [ 0 ] */
} /* EVP_PKEY */;

#define EVP_PKEY_MO_SIGN    0x0001
#define EVP_PKEY_MO_VERIFY  0x0002
#define EVP_PKEY_MO_ENCRYPT 0x0004
#define EVP_PKEY_MO_DECRYPT 0x0008

#ifndef EVP_MD
struct env_md_st {
    int type;
    int pkey_type;
    int md_size;
    unsigned long flags;
    int (*init)(EVP_MD_CTX *ctx);
    int (*update)(EVP_MD_CTX *ctx, const void *data, size_t count);
    int (*final)(EVP_MD_CTX *ctx, unsigned char *md);
    int (*copy)(EVP_MD_CTX *to, const EVP_MD_CTX *from);
    int (*cleanup)(EVP_MD_CTX *ctx);

    /* FIXME: prototype these some day */
    int (*sign)(int type, const unsigned char *m, unsigned int m_length,
                unsigned char *sigret, unsigned int *siglen, void *key);
    int (*verify)(int type, const unsigned char *m, unsigned int m_length,
                  const unsigned char *sigbuf, unsigned int siglen,
                  void *key);
    int required_pkey_type[5];     /*EVP_PKEY_xxx */
    int block_size;
    int ctx_size;     /* how big does the ctx->md_data need to be */
    /* control function */
    int (*md_ctrl)(EVP_MD_CTX *ctx, int cmd, int p1, void *p2);
} /* EVP_MD */;

typedef int evp_sign_method(int type, const unsigned char *m,
                            unsigned int m_length, unsigned char *sigret,
                            unsigned int *siglen, void *key);
typedef int evp_verify_method(int type, const unsigned char *m,
                              unsigned int m_length, const unsigned char *sigbuf,
                              unsigned int siglen, void *key);

#define EVP_MD_FLAG_ONESHOT                   0x0001 /* digest can only handle a single
                                        * block */

#define EVP_MD_FLAG_PKEY_DIGEST               0x0002 /* digest is a "clone" digest used
                                        * which is a copy of an existing
                                        * one for a specific public key type.
                                        * EVP_dss1() etc */

/* Digest uses EVP_PKEY_METHOD for signing instead of MD specific signing */

#define EVP_MD_FLAG_PKEY_METHOD_SIGNATURE     0x0004

/* DigestAlgorithmIdentifier flags... */

#define EVP_MD_FLAG_DIGALGID_MASK             0x0018

/* NULL or absent parameter accepted. Use NULL */

#define EVP_MD_FLAG_DIGALGID_NULL             0x0000

/* NULL or absent parameter accepted. Use NULL for PKCS#1 otherwise absent */

#define EVP_MD_FLAG_DIGALGID_ABSENT           0x0008

/* Custom handling via ctrl */

#define EVP_MD_FLAG_DIGALGID_CUSTOM           0x0018

#define EVP_MD_FLAG_FIPS                      0x0400 /* Note if suitable for use in FIPS mode */

/* Digest ctrls */

#define EVP_MD_CTRL_DIGALGID                  0x1
#define EVP_MD_CTRL_MICALG                    0x2

/* Minimum Algorithm specific ctrl value */

#define EVP_MD_CTRL_ALG_CTRL                  0x1000

#define EVP_PKEY_NULL_method                  NULL, NULL, { 0, 0, 0, 0 }

#ifndef OPENSSL_NO_DSA
#define EVP_PKEY_DSA_method                   (evp_sign_method *)DSA_sign, \
    (evp_verify_method *)DSA_verify, \
    { EVP_PKEY_DSA, EVP_PKEY_DSA2, EVP_PKEY_DSA3, \
      EVP_PKEY_DSA4, 0 }
#else
#define EVP_PKEY_DSA_method                   EVP_PKEY_NULL_method
#endif

#ifndef OPENSSL_NO_ECDSA
#define EVP_PKEY_ECDSA_method                 (evp_sign_method *)ECDSA_sign, \
    (evp_verify_method *)ECDSA_verify, \
    { EVP_PKEY_EC, 0, 0, 0 }
#else
#define EVP_PKEY_ECDSA_method                 EVP_PKEY_NULL_method
#endif

#ifndef OPENSSL_NO_RSA
#define EVP_PKEY_RSA_method                   (evp_sign_method *)RSA_sign, \
    (evp_verify_method *)RSA_verify, \
    { EVP_PKEY_RSA, EVP_PKEY_RSA2, 0, 0 }
#define EVP_PKEY_RSA_ASN1_OCTET_STRING_method \
    (evp_sign_method *)RSA_sign_ASN1_OCTET_STRING, \
    (evp_verify_method *)RSA_verify_ASN1_OCTET_STRING, \
    { EVP_PKEY_RSA, EVP_PKEY_RSA2, 0, 0 }
#else
#define EVP_PKEY_RSA_method                   EVP_PKEY_NULL_method
#define EVP_PKEY_RSA_ASN1_OCTET_STRING_method EVP_PKEY_NULL_method
#endif

#endif /* !EVP_MD */

struct env_md_ctx_st {
    const EVP_MD *digest;
    ENGINE *engine;     /* functional reference if 'digest' is ENGINE-provided */
    unsigned long flags;
    void *md_data;
    /* Public key context for sign/verify */
    EVP_PKEY_CTX *pctx;
    /* Update function: usually copied from EVP_MD */
    int (*update)(EVP_MD_CTX *ctx, const void *data, size_t count);
} /* EVP_MD_CTX */;

/* values for EVP_MD_CTX flags */

#define EVP_MD_CTX_FLAG_ONESHOT        0x0001  /* digest update will be called
                                                * once only */
#define EVP_MD_CTX_FLAG_CLEANED        0x0002  /* context has already been
                                                * cleaned */
#define EVP_MD_CTX_FLAG_REUSE          0x0004  /* Don't free up ctx->md_data
                                                * in EVP_MD_CTX_cleanup */
/* FIPS and pad options are ignored in 1.0.0, definitions are here
 * so we don't accidentally reuse the values for other purposes.
 */

#define EVP_MD_CTX_FLAG_NON_FIPS_ALLOW 0x0008   /* Allow use of non FIPS digest
                                                 * in FIPS mode */

/* The following PAD options are also currently ignored in 1.0.0, digest
 * parameters are handled through EVP_DigestSign*() and EVP_DigestVerify*()
 * instead.
 */
#define EVP_MD_CTX_FLAG_PAD_MASK       0xF0     /* RSA mode to use */
#define EVP_MD_CTX_FLAG_PAD_PKCS1      0x00     /* PKCS#1 v1.5 mode */
#define EVP_MD_CTX_FLAG_PAD_X931       0x10     /* X9.31 mode */
#define EVP_MD_CTX_FLAG_PAD_PSS        0x20     /* PSS mode */

#define EVP_MD_CTX_FLAG_NO_INIT        0x0100  /* Don't initialize md_data */

struct evp_cipher_st {
    int nid;
    int block_size;
    int key_len;                /* Default value for variable length ciphers */
    int iv_len;
    unsigned long flags;        /* Various flags */
    int (*init)(EVP_CIPHER_CTX *ctx, const unsigned char *key,
                const unsigned char *iv, int enc);      /* init key */
    int (*do_cipher)(EVP_CIPHER_CTX *ctx, unsigned char *out,
                     const unsigned char *in, size_t inl);    /* encrypt/decrypt data */
    int (*cleanup)(EVP_CIPHER_CTX *);     /* cleanup ctx */
    int ctx_size;               /* how big ctx->cipher_data needs to be */
    int (*set_asn1_parameters)(EVP_CIPHER_CTX *, ASN1_TYPE *);     /* Populate a ASN1_TYPE with parameters */
    int (*get_asn1_parameters)(EVP_CIPHER_CTX *, ASN1_TYPE *);     /* Get parameters from a ASN1_TYPE */
    int (*ctrl)(EVP_CIPHER_CTX *, int type, int arg, void *ptr);     /* Miscellaneous operations */
    void *app_data;             /* Application data */
} /* EVP_CIPHER */;

/* Values for cipher flags */

/* Modes for ciphers */

#define         EVP_CIPH_STREAM_CIPHER       0x0
#define         EVP_CIPH_ECB_MODE            0x1
#define         EVP_CIPH_CBC_MODE            0x2
#define         EVP_CIPH_CFB_MODE            0x3
#define         EVP_CIPH_OFB_MODE            0x4
#define         EVP_CIPH_CTR_MODE            0x5
#define         EVP_CIPH_GCM_MODE            0x6
#define         EVP_CIPH_CCM_MODE            0x7
#define         EVP_CIPH_XTS_MODE            0x10001
#define         EVP_CIPH_MODE                0xF0007
/* Set if variable length cipher */
#define         EVP_CIPH_VARIABLE_LENGTH     0x8
/* Set if the iv handling should be done by the cipher itself */
#define         EVP_CIPH_CUSTOM_IV           0x10
/* Set if the cipher's init() function should be called if key is NULL */
#define         EVP_CIPH_ALWAYS_CALL_INIT    0x20
/* Call ctrl() to init cipher parameters */
#define         EVP_CIPH_CTRL_INIT           0x40
/* Don't use standard key length function */
#define         EVP_CIPH_CUSTOM_KEY_LENGTH   0x80
/* Don't use standard block padding */
#define         EVP_CIPH_NO_PADDING          0x100
/* cipher handles random key generation */
#define         EVP_CIPH_RAND_KEY            0x200
/* cipher has its own additional copying logic */
#define         EVP_CIPH_CUSTOM_COPY         0x400
/* Allow use default ASN1 get/set iv */
#define         EVP_CIPH_FLAG_DEFAULT_ASN1   0x1000
/* Buffer length in bits not bytes: CFB1 mode only */
#define         EVP_CIPH_FLAG_LENGTH_BITS    0x2000
/* Note if suitable for use in FIPS mode */
#define         EVP_CIPH_FLAG_FIPS           0x4000
/* Allow non FIPS cipher in FIPS mode */
#define         EVP_CIPH_FLAG_NON_FIPS_ALLOW 0x8000
/* Cipher handles any and all padding logic as well
 * as finalisation.
 */
#define         EVP_CIPH_FLAG_CUSTOM_CIPHER  0x100000
#define         EVP_CIPH_FLAG_AEAD_CIPHER    0x200000

/* ctrl() values */

#define         EVP_CTRL_INIT                0x0
#define         EVP_CTRL_SET_KEY_LENGTH      0x1
#define         EVP_CTRL_GET_RC2_KEY_BITS    0x2
#define         EVP_CTRL_SET_RC2_KEY_BITS    0x3
#define         EVP_CTRL_GET_RC5_ROUNDS      0x4
#define         EVP_CTRL_SET_RC5_ROUNDS      0x5
#define         EVP_CTRL_RAND_KEY            0x6
#define         EVP_CTRL_PBE_PRF_NID         0x7
#define         EVP_CTRL_COPY                0x8
#define         EVP_CTRL_GCM_SET_IVLEN       0x9
#define         EVP_CTRL_GCM_GET_TAG         0x10
#define         EVP_CTRL_GCM_SET_TAG         0x11
#define         EVP_CTRL_GCM_SET_IV_FIXED    0x12
#define         EVP_CTRL_GCM_IV_GEN          0x13
#define         EVP_CTRL_CCM_SET_IVLEN       EVP_CTRL_GCM_SET_IVLEN
#define         EVP_CTRL_CCM_GET_TAG         EVP_CTRL_GCM_GET_TAG
#define         EVP_CTRL_CCM_SET_TAG         EVP_CTRL_GCM_SET_TAG
#define         EVP_CTRL_CCM_SET_L           0x14
#define         EVP_CTRL_CCM_SET_MSGLEN      0x15
/* AEAD cipher deduces payload length and returns number of bytes
 * required to store MAC and eventual padding. Subsequent call to
 * EVP_Cipher even appends/verifies MAC.
 */
#define         EVP_CTRL_AEAD_TLS1_AAD       0x16
/* Used by composite AEAD ciphers, no-op in GCM, CCM... */
#define         EVP_CTRL_AEAD_SET_MAC_KEY    0x17
/* Set the GCM invocation field, decrypt only */
#define         EVP_CTRL_GCM_SET_IV_INV      0x18

/* GCM TLS constants */
/* Length of fixed part of IV derived from PRF */
#define EVP_GCM_TLS_FIXED_IV_LEN             4
/* Length of explicit part of IV part of TLS records */
#define EVP_GCM_TLS_EXPLICIT_IV_LEN          8
/* Length of tag for TLS */
#define EVP_GCM_TLS_TAG_LEN                  16

typedef struct evp_cipher_info_st {
    const EVP_CIPHER *cipher;
    unsigned char iv[EVP_MAX_IV_LENGTH];
} EVP_CIPHER_INFO;

struct evp_cipher_ctx_st {
    const EVP_CIPHER *cipher;
    ENGINE *engine;     /* functional reference if 'cipher' is ENGINE-provided */
    int encrypt;                /* encrypt or decrypt */
    int buf_len;                /* number we have left */

    unsigned char oiv[EVP_MAX_IV_LENGTH];       /* original iv */
    unsigned char iv[EVP_MAX_IV_LENGTH];        /* working iv */
    unsigned char buf[EVP_MAX_BLOCK_LENGTH];    /* saved partial block */
    int num;                    /* used by cfb/ofb/ctr mode */

    void *app_data;             /* application stuff */
    int key_len;                /* May change for variable length cipher */
    unsigned long flags;        /* Various flags */
    void *cipher_data;     /* per EVP data */
    int final_used;
    int block_mask;
    unsigned char final[EVP_MAX_BLOCK_LENGTH];    /* possible final block */
} /* EVP_CIPHER_CTX */;

typedef struct evp_Encode_Ctx_st {
    int num;            /* number saved in a partial encode/decode */
    int length;         /* The length is either the output line length
                         * (in input bytes) or the shortest input line
                         * length that is ok.  Once decoding begins,
                         * the length is adjusted up each time a longer
                         * line is decoded */
    unsigned char enc_data[80];         /* data to encode */
    int line_num;       /* number read on current line */
    int expect_nl;
} EVP_ENCODE_CTX;

/* Password based encryption function */
typedef int (EVP_PBE_KEYGEN)(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
                             ASN1_TYPE *param, const EVP_CIPHER *cipher,
                             const EVP_MD *md, int en_de);

#ifndef OPENSSL_NO_RSA
#define EVP_PKEY_assign_RSA(pkey, rsa)      EVP_PKEY_assign((pkey), EVP_PKEY_RSA, \
                                                            (char *)(rsa))
#endif

#ifndef OPENSSL_NO_DSA
#define EVP_PKEY_assign_DSA(pkey, dsa)      EVP_PKEY_assign((pkey), EVP_PKEY_DSA, \
                                                            (char *)(dsa))
#endif

#ifndef OPENSSL_NO_DH
#define EVP_PKEY_assign_DH(pkey, dh)        EVP_PKEY_assign((pkey), EVP_PKEY_DH, \
                                                            (char *)(dh))
#endif

#ifndef OPENSSL_NO_EC
#define EVP_PKEY_assign_EC_KEY(pkey, eckey) EVP_PKEY_assign((pkey), EVP_PKEY_EC, \
                                                            (char *)(eckey))
#endif

/* Add some extra combinations */
#define EVP_get_digestbynid(a)              EVP_get_digestbyname(OBJ_nid2sn(a))
#define EVP_get_digestbyobj(a)              EVP_get_digestbynid(OBJ_obj2nid(a))
#define EVP_get_cipherbynid(a)              EVP_get_cipherbyname(OBJ_nid2sn(a))
#define EVP_get_cipherbyobj(a)              EVP_get_cipherbynid(OBJ_obj2nid(a))

int EVP_MD_type(const EVP_MD *md);
#define EVP_MD_nid(e)                       EVP_MD_type(e)
#define EVP_MD_name(e)                      OBJ_nid2sn(EVP_MD_nid(e))
int EVP_MD_pkey_type(const EVP_MD *md);
int EVP_MD_size(const EVP_MD *md);
int EVP_MD_block_size(const EVP_MD *md);
unsigned long EVP_MD_flags(const EVP_MD *md);

const EVP_MD * EVP_MD_CTX_md(const EVP_MD_CTX *ctx);
#define EVP_MD_CTX_size(e)                  EVP_MD_size(EVP_MD_CTX_md(e))
#define EVP_MD_CTX_block_size(e)            EVP_MD_block_size(EVP_MD_CTX_md(e))
#define EVP_MD_CTX_type(e)                  EVP_MD_type(EVP_MD_CTX_md(e))

int EVP_CIPHER_nid(const EVP_CIPHER *cipher);
#define EVP_CIPHER_name(e)                  OBJ_nid2sn(EVP_CIPHER_nid(e))
int EVP_CIPHER_block_size(const EVP_CIPHER *cipher);
int EVP_CIPHER_key_length(const EVP_CIPHER *cipher);
int EVP_CIPHER_iv_length(const EVP_CIPHER *cipher);
unsigned long EVP_CIPHER_flags(const EVP_CIPHER *cipher);
#define EVP_CIPHER_mode(e)                  (EVP_CIPHER_flags(e) & EVP_CIPH_MODE)

const EVP_CIPHER * EVP_CIPHER_CTX_cipher(const EVP_CIPHER_CTX *ctx);
int EVP_CIPHER_CTX_nid(const EVP_CIPHER_CTX *ctx);
int EVP_CIPHER_CTX_block_size(const EVP_CIPHER_CTX *ctx);
int EVP_CIPHER_CTX_key_length(const EVP_CIPHER_CTX *ctx);
int EVP_CIPHER_CTX_iv_length(const EVP_CIPHER_CTX *ctx);
int EVP_CIPHER_CTX_copy(EVP_CIPHER_CTX *out, const EVP_CIPHER_CTX *in);
void * EVP_CIPHER_CTX_get_app_data(const EVP_CIPHER_CTX *ctx);
void EVP_CIPHER_CTX_set_app_data(EVP_CIPHER_CTX *ctx, void *data);
#define EVP_CIPHER_CTX_type(c)          EVP_CIPHER_type(EVP_CIPHER_CTX_cipher(c))
unsigned long EVP_CIPHER_CTX_flags(const EVP_CIPHER_CTX *ctx);
#define EVP_CIPHER_CTX_mode(e)          (EVP_CIPHER_CTX_flags(e) & EVP_CIPH_MODE)

#define EVP_ENCODE_LENGTH(l)            (((l + 2) / 3 * 4) + (l / 48 + 1) * 2 + 80)
#define EVP_DECODE_LENGTH(l)            ((l + 3) / 4 * 3 + 80)

#define EVP_SignInit_ex(a, b, c)        EVP_DigestInit_ex(a, b, c)
#define EVP_SignInit(a, b)              EVP_DigestInit(a, b)
#define EVP_SignUpdate(a, b, c)         EVP_DigestUpdate(a, b, c)
#define EVP_VerifyInit_ex(a, b, c)      EVP_DigestInit_ex(a, b, c)
#define EVP_VerifyInit(a, b)            EVP_DigestInit(a, b)
#define EVP_VerifyUpdate(a, b, c)       EVP_DigestUpdate(a, b, c)
#define EVP_OpenUpdate(a, b, c, d, e)   EVP_DecryptUpdate(a, b, c, d, e)
#define EVP_SealUpdate(a, b, c, d, e)   EVP_EncryptUpdate(a, b, c, d, e)
#define EVP_DigestSignUpdate(a, b, c)   EVP_DigestUpdate(a, b, c)
#define EVP_DigestVerifyUpdate(a, b, c) EVP_DigestUpdate(a, b, c)

#ifdef CONST_STRICT
void BIO_set_md(BIO *, const EVP_MD *md);
#else
# define BIO_set_md(b, md)              BIO_ctrl(b, BIO_C_SET_MD, 0, (char *)md)
#endif
#define BIO_get_md(b, mdp)              BIO_ctrl(b, BIO_C_GET_MD, 0, (char *)mdp)
#define BIO_get_md_ctx(b, mdcp)         BIO_ctrl(b, BIO_C_GET_MD_CTX, 0, (char *)mdcp)
#define BIO_set_md_ctx(b, mdcp)         BIO_ctrl(b, BIO_C_SET_MD_CTX, 0, (char *)mdcp)
#define BIO_get_cipher_status(b)        BIO_ctrl(b, BIO_C_GET_CIPHER_STATUS, 0, NULL)
#define BIO_get_cipher_ctx(b, c_pp)     BIO_ctrl(b, BIO_C_GET_CIPHER_CTX, 0, (char *)c_pp)

int EVP_Cipher(EVP_CIPHER_CTX *c,
               unsigned char  *out,
               const unsigned char *in,
               unsigned int   inl);

#define EVP_add_cipher_alias(n, alias) \
    OBJ_NAME_add((alias), OBJ_NAME_TYPE_CIPHER_METH | OBJ_NAME_ALIAS, (n))
#define EVP_add_digest_alias(n, alias) \
    OBJ_NAME_add((alias), OBJ_NAME_TYPE_MD_METH | OBJ_NAME_ALIAS, (n))
#define EVP_delete_cipher_alias(alias) \
    OBJ_NAME_remove(alias, OBJ_NAME_TYPE_CIPHER_METH | OBJ_NAME_ALIAS);
#define EVP_delete_digest_alias(alias) \
    OBJ_NAME_remove(alias, OBJ_NAME_TYPE_MD_METH | OBJ_NAME_ALIAS);

void    EVP_MD_CTX_init(EVP_MD_CTX *ctx);
int     EVP_MD_CTX_cleanup(EVP_MD_CTX *ctx);
EVP_MD_CTX * EVP_MD_CTX_create(void);
void    EVP_MD_CTX_destroy(EVP_MD_CTX *ctx);
int     EVP_MD_CTX_copy_ex(EVP_MD_CTX *out, const EVP_MD_CTX *in);
void    EVP_MD_CTX_set_flags(EVP_MD_CTX *ctx, int flags);
void    EVP_MD_CTX_clear_flags(EVP_MD_CTX *ctx, int flags);
int     EVP_MD_CTX_test_flags(const EVP_MD_CTX *ctx, int flags);
int     EVP_DigestInit_ex(EVP_MD_CTX *ctx, const EVP_MD *type, ENGINE *impl);
int     EVP_DigestUpdate(EVP_MD_CTX *ctx, const void *d,
                         size_t cnt);
int     EVP_DigestFinal_ex(EVP_MD_CTX *ctx, unsigned char *md, unsigned int *s);
int     EVP_Digest(const void *data, size_t count,
                   unsigned char *md, unsigned int *size, const EVP_MD *type, ENGINE *impl);

int     EVP_MD_CTX_copy(EVP_MD_CTX *out, const EVP_MD_CTX *in);
int     EVP_DigestInit(EVP_MD_CTX *ctx, const EVP_MD *type);
int     EVP_DigestFinal(EVP_MD_CTX *ctx, unsigned char *md, unsigned int *s);

int     EVP_read_pw_string(char *buf, int length, const char *prompt, int verify);
int     EVP_read_pw_string_min(char *buf, int minlen, int maxlen, const char *prompt, int verify);
void    EVP_set_pw_prompt(const char *prompt);
char *  EVP_get_pw_prompt(void);

int     EVP_BytesToKey(const EVP_CIPHER *type, const EVP_MD *md,
                       const unsigned char *salt, const unsigned char *data,
                       int datal, int count, unsigned char *key, unsigned char *iv);

void    EVP_CIPHER_CTX_set_flags(EVP_CIPHER_CTX *ctx, int flags);
void    EVP_CIPHER_CTX_clear_flags(EVP_CIPHER_CTX *ctx, int flags);
int     EVP_CIPHER_CTX_test_flags(const EVP_CIPHER_CTX *ctx, int flags);

int     EVP_EncryptInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
                        const unsigned char *key, const unsigned char *iv);
int     EVP_EncryptInit_ex(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher, ENGINE *impl,
                           const unsigned char *key, const unsigned char *iv);
int     EVP_EncryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
                          int *outl, const unsigned char *in, int inl);
int     EVP_EncryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
int     EVP_EncryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);

int     EVP_DecryptInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
                        const unsigned char *key, const unsigned char *iv);
int     EVP_DecryptInit_ex(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher, ENGINE *impl,
                           const unsigned char *key, const unsigned char *iv);
int     EVP_DecryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
                          int *outl, const unsigned char *in, int inl);
int     EVP_DecryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
int     EVP_DecryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);

int     EVP_CipherInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
                       const unsigned char *key, const unsigned char *iv,
                       int enc);
int     EVP_CipherInit_ex(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher, ENGINE *impl,
                          const unsigned char *key, const unsigned char *iv,
                          int enc);
int     EVP_CipherUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
                         int *outl, const unsigned char *in, int inl);
int     EVP_CipherFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
int     EVP_CipherFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);

int     EVP_SignFinal(EVP_MD_CTX *ctx, unsigned char *md, unsigned int *s,
                      EVP_PKEY *pkey);

int     EVP_VerifyFinal(EVP_MD_CTX *ctx, const unsigned char *sigbuf,
                        unsigned int siglen, EVP_PKEY *pkey);

int     EVP_DigestSignInit(EVP_MD_CTX *ctx, EVP_PKEY_CTX **pctx,
                           const EVP_MD *type, ENGINE *e, EVP_PKEY *pkey);
int     EVP_DigestSignFinal(EVP_MD_CTX *ctx,
                            unsigned char *sigret, size_t *siglen);

int     EVP_DigestVerifyInit(EVP_MD_CTX *ctx, EVP_PKEY_CTX **pctx,
                             const EVP_MD *type, ENGINE *e, EVP_PKEY *pkey);
int     EVP_DigestVerifyFinal(EVP_MD_CTX *ctx,
                              unsigned char *sig, size_t siglen);

int     EVP_OpenInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *type,
                     const unsigned char *ek, int ekl, const unsigned char *iv,
                     EVP_PKEY *priv);
int     EVP_OpenFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);

int     EVP_SealInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *type,
                     unsigned char **ek, int *ekl, unsigned char *iv,
                     EVP_PKEY **pubk, int npubk);
int     EVP_SealFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);

void    EVP_EncodeInit(EVP_ENCODE_CTX *ctx);
void    EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl,
                         const unsigned char *in, int inl);
void    EVP_EncodeFinal(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl);
int     EVP_EncodeBlock(unsigned char *t, const unsigned char *f, int n);

void    EVP_DecodeInit(EVP_ENCODE_CTX *ctx);
int     EVP_DecodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl,
                         const unsigned char *in, int inl);
int     EVP_DecodeFinal(EVP_ENCODE_CTX *ctx, unsigned
                        char *out, int *outl);
int     EVP_DecodeBlock(unsigned char *t, const unsigned char *f, int n);

void EVP_CIPHER_CTX_init(EVP_CIPHER_CTX *a);
int EVP_CIPHER_CTX_cleanup(EVP_CIPHER_CTX *a);
EVP_CIPHER_CTX * EVP_CIPHER_CTX_new(void);
void EVP_CIPHER_CTX_free(EVP_CIPHER_CTX *a);
int EVP_CIPHER_CTX_set_key_length(EVP_CIPHER_CTX *x, int keylen);
int EVP_CIPHER_CTX_set_padding(EVP_CIPHER_CTX *c, int pad);
int EVP_CIPHER_CTX_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr);
int EVP_CIPHER_CTX_rand_key(EVP_CIPHER_CTX *ctx, unsigned char *key);

#ifndef OPENSSL_NO_BIO
BIO_METHOD * BIO_f_md(void);
BIO_METHOD * BIO_f_base64(void);
BIO_METHOD * BIO_f_cipher(void);
BIO_METHOD * BIO_f_reliable(void);
void BIO_set_cipher(BIO *b, const EVP_CIPHER *c, const unsigned char *k,
                    const unsigned char *i, int enc);
#endif

const EVP_MD * EVP_md_null(void);
#ifndef OPENSSL_NO_MD2
const EVP_MD * EVP_md2(void);
#endif
#ifndef OPENSSL_NO_MD4
const EVP_MD * EVP_md4(void);
#endif
#ifndef OPENSSL_NO_MD5
const EVP_MD * EVP_md5(void);
#endif
#ifndef OPENSSL_NO_SHA
const EVP_MD * EVP_sha(void);
const EVP_MD * EVP_sha1(void);
const EVP_MD * EVP_dss(void);
const EVP_MD * EVP_dss1(void);
const EVP_MD * EVP_ecdsa(void);
#endif
#ifndef OPENSSL_NO_SHA256
const EVP_MD * EVP_sha224(void);
const EVP_MD * EVP_sha256(void);
#endif
#ifndef OPENSSL_NO_SHA512
const EVP_MD * EVP_sha384(void);
const EVP_MD * EVP_sha512(void);
#endif
#ifndef OPENSSL_NO_MDC2
const EVP_MD * EVP_mdc2(void);
#endif
#ifndef OPENSSL_NO_RIPEMD
const EVP_MD * EVP_ripemd160(void);
#endif
#ifndef OPENSSL_NO_WHIRLPOOL
const EVP_MD * EVP_whirlpool(void);
#endif
const EVP_CIPHER * EVP_enc_null(void);           /* does nothing :-) */
#ifndef OPENSSL_NO_DES
const EVP_CIPHER * EVP_des_ecb(void);
const EVP_CIPHER * EVP_des_ede(void);
const EVP_CIPHER * EVP_des_ede3(void);
const EVP_CIPHER * EVP_des_ede_ecb(void);
const EVP_CIPHER * EVP_des_ede3_ecb(void);
const EVP_CIPHER * EVP_des_cfb64(void);
# define EVP_des_cfb      EVP_des_cfb64
const EVP_CIPHER * EVP_des_cfb1(void);
const EVP_CIPHER * EVP_des_cfb8(void);
const EVP_CIPHER * EVP_des_ede_cfb64(void);
# define EVP_des_ede_cfb  EVP_des_ede_cfb64
#if 0
const EVP_CIPHER * EVP_des_ede_cfb1(void);
const EVP_CIPHER * EVP_des_ede_cfb8(void);
#endif
const EVP_CIPHER * EVP_des_ede3_cfb64(void);
# define EVP_des_ede3_cfb EVP_des_ede3_cfb64
const EVP_CIPHER * EVP_des_ede3_cfb1(void);
const EVP_CIPHER * EVP_des_ede3_cfb8(void);
const EVP_CIPHER * EVP_des_ofb(void);
const EVP_CIPHER * EVP_des_ede_ofb(void);
const EVP_CIPHER * EVP_des_ede3_ofb(void);
const EVP_CIPHER * EVP_des_cbc(void);
const EVP_CIPHER * EVP_des_ede_cbc(void);
const EVP_CIPHER * EVP_des_ede3_cbc(void);
const EVP_CIPHER * EVP_desx_cbc(void);
/* This should now be supported through the dev_crypto ENGINE. But also, why are
 * rc4 and md5 declarations made here inside a "NO_DES" precompiler branch? */
#if 0
# ifdef OPENSSL_OPENBSD_DEV_CRYPTO
const EVP_CIPHER * EVP_dev_crypto_des_ede3_cbc(void);
const EVP_CIPHER * EVP_dev_crypto_rc4(void);
const EVP_MD * EVP_dev_crypto_md5(void);
# endif
#endif
#endif
#ifndef OPENSSL_NO_RC4
const EVP_CIPHER * EVP_rc4(void);
const EVP_CIPHER * EVP_rc4_40(void);
#ifndef OPENSSL_NO_MD5
const EVP_CIPHER * EVP_rc4_hmac_md5(void);
#endif
#endif
#ifndef OPENSSL_NO_IDEA
const EVP_CIPHER * EVP_idea_ecb(void);
const EVP_CIPHER * EVP_idea_cfb64(void);
# define EVP_idea_cfb EVP_idea_cfb64
const EVP_CIPHER * EVP_idea_ofb(void);
const EVP_CIPHER * EVP_idea_cbc(void);
#endif
#ifndef OPENSSL_NO_RC2
const EVP_CIPHER * EVP_rc2_ecb(void);
const EVP_CIPHER * EVP_rc2_cbc(void);
const EVP_CIPHER * EVP_rc2_40_cbc(void);
const EVP_CIPHER * EVP_rc2_64_cbc(void);
const EVP_CIPHER * EVP_rc2_cfb64(void);
# define EVP_rc2_cfb          EVP_rc2_cfb64
const EVP_CIPHER * EVP_rc2_ofb(void);
#endif
#ifndef OPENSSL_NO_BF
const EVP_CIPHER * EVP_bf_ecb(void);
const EVP_CIPHER * EVP_bf_cbc(void);
const EVP_CIPHER * EVP_bf_cfb64(void);
# define EVP_bf_cfb           EVP_bf_cfb64
const EVP_CIPHER * EVP_bf_ofb(void);
#endif
#ifndef OPENSSL_NO_CAST
const EVP_CIPHER * EVP_cast5_ecb(void);
const EVP_CIPHER * EVP_cast5_cbc(void);
const EVP_CIPHER * EVP_cast5_cfb64(void);
# define EVP_cast5_cfb        EVP_cast5_cfb64
const EVP_CIPHER * EVP_cast5_ofb(void);
#endif
#ifndef OPENSSL_NO_RC5
const EVP_CIPHER * EVP_rc5_32_12_16_cbc(void);
const EVP_CIPHER * EVP_rc5_32_12_16_ecb(void);
const EVP_CIPHER * EVP_rc5_32_12_16_cfb64(void);
# define EVP_rc5_32_12_16_cfb EVP_rc5_32_12_16_cfb64
const EVP_CIPHER * EVP_rc5_32_12_16_ofb(void);
#endif
#ifndef OPENSSL_NO_AES
const EVP_CIPHER * EVP_aes_128_ecb(void);
const EVP_CIPHER * EVP_aes_128_cbc(void);
const EVP_CIPHER * EVP_aes_128_cfb1(void);
const EVP_CIPHER * EVP_aes_128_cfb8(void);
const EVP_CIPHER * EVP_aes_128_cfb128(void);
# define EVP_aes_128_cfb EVP_aes_128_cfb128
const EVP_CIPHER * EVP_aes_128_ofb(void);
const EVP_CIPHER * EVP_aes_128_ctr(void);
const EVP_CIPHER * EVP_aes_128_ccm(void);
const EVP_CIPHER * EVP_aes_128_gcm(void);
const EVP_CIPHER * EVP_aes_128_xts(void);
const EVP_CIPHER * EVP_aes_192_ecb(void);
const EVP_CIPHER * EVP_aes_192_cbc(void);
const EVP_CIPHER * EVP_aes_192_cfb1(void);
const EVP_CIPHER * EVP_aes_192_cfb8(void);
const EVP_CIPHER * EVP_aes_192_cfb128(void);
# define EVP_aes_192_cfb EVP_aes_192_cfb128
const EVP_CIPHER * EVP_aes_192_ofb(void);
const EVP_CIPHER * EVP_aes_192_ctr(void);
const EVP_CIPHER * EVP_aes_192_ccm(void);
const EVP_CIPHER * EVP_aes_192_gcm(void);
const EVP_CIPHER * EVP_aes_256_ecb(void);
const EVP_CIPHER * EVP_aes_256_cbc(void);
const EVP_CIPHER * EVP_aes_256_cfb1(void);
const EVP_CIPHER * EVP_aes_256_cfb8(void);
const EVP_CIPHER * EVP_aes_256_cfb128(void);
# define EVP_aes_256_cfb EVP_aes_256_cfb128
const EVP_CIPHER * EVP_aes_256_ofb(void);
const EVP_CIPHER * EVP_aes_256_ctr(void);
const EVP_CIPHER * EVP_aes_256_ccm(void);
const EVP_CIPHER * EVP_aes_256_gcm(void);
const EVP_CIPHER * EVP_aes_256_xts(void);
#if !defined(OPENSSL_NO_SHA) && !defined(OPENSSL_NO_SHA1)
const EVP_CIPHER * EVP_aes_128_cbc_hmac_sha1(void);
const EVP_CIPHER * EVP_aes_256_cbc_hmac_sha1(void);
#endif
#endif
#ifndef OPENSSL_NO_CAMELLIA
const EVP_CIPHER * EVP_camellia_128_ecb(void);
const EVP_CIPHER * EVP_camellia_128_cbc(void);
const EVP_CIPHER * EVP_camellia_128_cfb1(void);
const EVP_CIPHER * EVP_camellia_128_cfb8(void);
const EVP_CIPHER * EVP_camellia_128_cfb128(void);
# define EVP_camellia_128_cfb EVP_camellia_128_cfb128
const EVP_CIPHER * EVP_camellia_128_ofb(void);
const EVP_CIPHER * EVP_camellia_192_ecb(void);
const EVP_CIPHER * EVP_camellia_192_cbc(void);
const EVP_CIPHER * EVP_camellia_192_cfb1(void);
const EVP_CIPHER * EVP_camellia_192_cfb8(void);
const EVP_CIPHER * EVP_camellia_192_cfb128(void);
# define EVP_camellia_192_cfb EVP_camellia_192_cfb128
const EVP_CIPHER * EVP_camellia_192_ofb(void);
const EVP_CIPHER * EVP_camellia_256_ecb(void);
const EVP_CIPHER * EVP_camellia_256_cbc(void);
const EVP_CIPHER * EVP_camellia_256_cfb1(void);
const EVP_CIPHER * EVP_camellia_256_cfb8(void);
const EVP_CIPHER * EVP_camellia_256_cfb128(void);
# define EVP_camellia_256_cfb EVP_camellia_256_cfb128
const EVP_CIPHER * EVP_camellia_256_ofb(void);
#endif

#ifndef OPENSSL_NO_SEED
const EVP_CIPHER * EVP_seed_ecb(void);
const EVP_CIPHER * EVP_seed_cbc(void);
const EVP_CIPHER * EVP_seed_cfb128(void);
# define EVP_seed_cfb         EVP_seed_cfb128
const EVP_CIPHER * EVP_seed_ofb(void);
#endif

void OPENSSL_add_all_algorithms_noconf(void);
void OPENSSL_add_all_algorithms_conf(void);

#ifdef OPENSSL_LOAD_CONF
#define OpenSSL_add_all_algorithms() \
    OPENSSL_add_all_algorithms_conf()
#else
#define OpenSSL_add_all_algorithms() \
    OPENSSL_add_all_algorithms_noconf()
#endif

void OpenSSL_add_all_ciphers(void);
void OpenSSL_add_all_digests(void);
#define SSLeay_add_all_algorithms() OpenSSL_add_all_algorithms()
#define SSLeay_add_all_ciphers()    OpenSSL_add_all_ciphers()
#define SSLeay_add_all_digests()    OpenSSL_add_all_digests()

int EVP_add_cipher(const EVP_CIPHER *cipher);
int EVP_add_digest(const EVP_MD *digest);

const EVP_CIPHER * EVP_get_cipherbyname(const char *name);
const EVP_MD * EVP_get_digestbyname(const char *name);
void EVP_cleanup(void);

void EVP_CIPHER_do_all(void ( *fn )(const EVP_CIPHER *ciph,
                                    const char *from, const char *to, void *x), void *arg);
void EVP_CIPHER_do_all_sorted(void ( *fn )(const EVP_CIPHER *ciph,
                                           const char *from, const char *to, void *x), void *arg);

void EVP_MD_do_all(void ( *fn )(const EVP_MD *ciph,
                                const char *from, const char *to, void *x), void *arg);
void EVP_MD_do_all_sorted(void ( *fn )(const EVP_MD *ciph,
                                       const char *from, const char *to, void *x), void *arg);

int             EVP_PKEY_decrypt_old(unsigned char *dec_key,
                                     const unsigned char *enc_key, int enc_key_len,
                                     EVP_PKEY *private_key);
int             EVP_PKEY_encrypt_old(unsigned char *enc_key,
                                     const unsigned char *key, int key_len,
                                     EVP_PKEY *pub_key);
int             EVP_PKEY_type(int type);
int             EVP_PKEY_id(const EVP_PKEY *pkey);
int             EVP_PKEY_base_id(const EVP_PKEY *pkey);
int             EVP_PKEY_bits(EVP_PKEY *pkey);
int             EVP_PKEY_size(EVP_PKEY *pkey);
int             EVP_PKEY_set_type(EVP_PKEY *pkey, int type);
int             EVP_PKEY_set_type_str(EVP_PKEY *pkey, const char *str, int len);
int             EVP_PKEY_assign(EVP_PKEY *pkey, int type, void *key);
void *          EVP_PKEY_get0(EVP_PKEY *pkey);

#ifndef OPENSSL_NO_RSA
struct rsa_st;
int EVP_PKEY_set1_RSA(EVP_PKEY *pkey, struct rsa_st *key);
struct rsa_st * EVP_PKEY_get1_RSA(EVP_PKEY *pkey);
#endif
#ifndef OPENSSL_NO_DSA
struct dsa_st;
int EVP_PKEY_set1_DSA(EVP_PKEY *pkey, struct dsa_st *key);
struct dsa_st * EVP_PKEY_get1_DSA(EVP_PKEY *pkey);
#endif
#ifndef OPENSSL_NO_DH
struct dh_st;
int EVP_PKEY_set1_DH(EVP_PKEY *pkey, struct dh_st *key);
struct dh_st * EVP_PKEY_get1_DH(EVP_PKEY *pkey);
#endif
#ifndef OPENSSL_NO_EC
struct ec_key_st;
int EVP_PKEY_set1_EC_KEY(EVP_PKEY *pkey, struct ec_key_st *key);
struct ec_key_st * EVP_PKEY_get1_EC_KEY(EVP_PKEY *pkey);
#endif

EVP_PKEY *      EVP_PKEY_new(void);
void            EVP_PKEY_free(EVP_PKEY *pkey);

EVP_PKEY *      d2i_PublicKey(int type, EVP_PKEY **a, const unsigned char **pp,
                              long length);
int             i2d_PublicKey(EVP_PKEY *a, unsigned char **pp);

EVP_PKEY *      d2i_PrivateKey(int type, EVP_PKEY **a, const unsigned char **pp,
                               long length);
EVP_PKEY *      d2i_AutoPrivateKey(EVP_PKEY **a, const unsigned char **pp,
                                   long length);
int             i2d_PrivateKey(EVP_PKEY *a, unsigned char **pp);

int EVP_PKEY_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from);
int EVP_PKEY_missing_parameters(const EVP_PKEY *pkey);
int EVP_PKEY_save_parameters(EVP_PKEY *pkey, int mode);
int EVP_PKEY_cmp_parameters(const EVP_PKEY *a, const EVP_PKEY *b);

int EVP_PKEY_cmp(const EVP_PKEY *a, const EVP_PKEY *b);

int EVP_PKEY_print_public(BIO *out, const EVP_PKEY *pkey,
                          int indent, ASN1_PCTX *pctx);
int EVP_PKEY_print_private(BIO *out, const EVP_PKEY *pkey,
                           int indent, ASN1_PCTX *pctx);
int EVP_PKEY_print_params(BIO *out, const EVP_PKEY *pkey,
                          int indent, ASN1_PCTX *pctx);

int EVP_PKEY_get_default_digest_nid(EVP_PKEY *pkey, int *pnid);

int EVP_CIPHER_type(const EVP_CIPHER *ctx);

/* calls methods */
int EVP_CIPHER_param_to_asn1(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
int EVP_CIPHER_asn1_to_param(EVP_CIPHER_CTX *c, ASN1_TYPE *type);

/* These are used by EVP_CIPHER methods */
int EVP_CIPHER_set_asn1_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
int EVP_CIPHER_get_asn1_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type);

/* PKCS5 password based encryption */
int PKCS5_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
                       ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_MD *md,
                       int en_de);
int PKCS5_PBKDF2_HMAC_SHA1(const char *pass, int passlen,
                           const unsigned char *salt, int saltlen, int iter,
                           int keylen, unsigned char *out);
int PKCS5_PBKDF2_HMAC(const char *pass, int passlen,
                      const unsigned char *salt, int saltlen, int iter,
                      const EVP_MD *digest,
                      int keylen, unsigned char *out);
int PKCS5_v2_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
                          ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_MD *md,
                          int en_de);

void PKCS5_PBE_add(void);

int EVP_PBE_CipherInit(ASN1_OBJECT *pbe_obj, const char *pass, int passlen,
                       ASN1_TYPE *param, EVP_CIPHER_CTX *ctx, int en_de);

/* PBE type */

/* Can appear as the outermost AlgorithmIdentifier */
#define EVP_PBE_TYPE_OUTER 0x0
/* Is an PRF type OID */
#define EVP_PBE_TYPE_PRF   0x1

int EVP_PBE_alg_add_type(int pbe_type, int pbe_nid, int cipher_nid, int md_nid,
                         EVP_PBE_KEYGEN *keygen);
int EVP_PBE_alg_add(int nid, const EVP_CIPHER *cipher, const EVP_MD *md,
                    EVP_PBE_KEYGEN *keygen);
int EVP_PBE_find(int type, int pbe_nid,
                 int *pcnid, int *pmnid, EVP_PBE_KEYGEN **pkeygen);
void EVP_PBE_cleanup(void);

#define ASN1_PKEY_ALIAS               0x1
#define ASN1_PKEY_DYNAMIC             0x2
#define ASN1_PKEY_SIGPARAM_NULL       0x4

#define ASN1_PKEY_CTRL_PKCS7_SIGN     0x1
#define ASN1_PKEY_CTRL_PKCS7_ENCRYPT  0x2
#define ASN1_PKEY_CTRL_DEFAULT_MD_NID 0x3
#define ASN1_PKEY_CTRL_CMS_SIGN       0x5
#define ASN1_PKEY_CTRL_CMS_ENVELOPE   0x7

int EVP_PKEY_asn1_get_count(void);
const EVP_PKEY_ASN1_METHOD * EVP_PKEY_asn1_get0(int idx);
const EVP_PKEY_ASN1_METHOD * EVP_PKEY_asn1_find(ENGINE **pe, int type);
const EVP_PKEY_ASN1_METHOD * EVP_PKEY_asn1_find_str(ENGINE **pe,
                                                    const char *str, int len);
int EVP_PKEY_asn1_add0(const EVP_PKEY_ASN1_METHOD *ameth);
int EVP_PKEY_asn1_add_alias(int to, int from);
int EVP_PKEY_asn1_get0_info(int *ppkey_id, int *pkey_base_id, int *ppkey_flags,
                            const char **pinfo, const char **ppem_str,
                            const EVP_PKEY_ASN1_METHOD *ameth);

const EVP_PKEY_ASN1_METHOD * EVP_PKEY_get0_asn1(EVP_PKEY *pkey);
EVP_PKEY_ASN1_METHOD * EVP_PKEY_asn1_new(int id, int flags,
                                         const char *pem_str, const char *info);
void EVP_PKEY_asn1_copy(EVP_PKEY_ASN1_METHOD       *dst,
                        const EVP_PKEY_ASN1_METHOD *src);
void EVP_PKEY_asn1_free(EVP_PKEY_ASN1_METHOD *ameth);
void EVP_PKEY_asn1_set_public(EVP_PKEY_ASN1_METHOD *ameth,
                              int ( *pub_decode )(EVP_PKEY *pk, X509_PUBKEY *pub),
                              int (*pub_encode)(X509_PUBKEY *pub, const EVP_PKEY *pk),
                              int (*pub_cmp)(const EVP_PKEY *a, const EVP_PKEY *b),
                              int (*pub_print)(BIO *out, const EVP_PKEY *pkey, int indent,
                                               ASN1_PCTX *pctx),
                              int (*pkey_size)(const EVP_PKEY *pk),
                              int (*pkey_bits)(const EVP_PKEY *pk));
void EVP_PKEY_asn1_set_private(EVP_PKEY_ASN1_METHOD *ameth,
                               int ( *priv_decode )(EVP_PKEY *pk, PKCS8_PRIV_KEY_INFO *p8inf),
                               int (*priv_encode)(PKCS8_PRIV_KEY_INFO *p8, const EVP_PKEY *pk),
                               int (*priv_print)(BIO *out, const EVP_PKEY *pkey, int indent,
                                                 ASN1_PCTX *pctx));
void EVP_PKEY_asn1_set_param(EVP_PKEY_ASN1_METHOD *ameth,
                             int ( *param_decode )(EVP_PKEY *pkey,
                                                   const unsigned char **pder, int derlen),
                             int (*param_encode)(const EVP_PKEY *pkey, unsigned char **pder),
                             int (*param_missing)(const EVP_PKEY *pk),
                             int (*param_copy)(EVP_PKEY *to, const EVP_PKEY *from),
                             int (*param_cmp)(const EVP_PKEY *a, const EVP_PKEY *b),
                             int (*param_print)(BIO *out, const EVP_PKEY *pkey, int indent,
                                                ASN1_PCTX *pctx));

void EVP_PKEY_asn1_set_free(EVP_PKEY_ASN1_METHOD *ameth,
                            void (               *pkey_free )(EVP_PKEY *pkey));
void EVP_PKEY_asn1_set_ctrl(EVP_PKEY_ASN1_METHOD *ameth,
                            int ( *pkey_ctrl )(EVP_PKEY *pkey, int op,
                                               long arg1, void *arg2));

#define EVP_PKEY_OP_UNDEFINED     0
#define EVP_PKEY_OP_PARAMGEN      (1 << 1)
#define EVP_PKEY_OP_KEYGEN        (1 << 2)
#define EVP_PKEY_OP_SIGN          (1 << 3)
#define EVP_PKEY_OP_VERIFY        (1 << 4)
#define EVP_PKEY_OP_VERIFYRECOVER (1 << 5)
#define EVP_PKEY_OP_SIGNCTX       (1 << 6)
#define EVP_PKEY_OP_VERIFYCTX     (1 << 7)
#define EVP_PKEY_OP_ENCRYPT       (1 << 8)
#define EVP_PKEY_OP_DECRYPT       (1 << 9)
#define EVP_PKEY_OP_DERIVE        (1 << 10)

#define EVP_PKEY_OP_TYPE_SIG    \
    (EVP_PKEY_OP_SIGN | EVP_PKEY_OP_VERIFY | EVP_PKEY_OP_VERIFYRECOVER \
     | EVP_PKEY_OP_SIGNCTX | EVP_PKEY_OP_VERIFYCTX)

#define EVP_PKEY_OP_TYPE_CRYPT \
    (EVP_PKEY_OP_ENCRYPT | EVP_PKEY_OP_DECRYPT)

#define EVP_PKEY_OP_TYPE_NOGEN \
    (EVP_PKEY_OP_SIG | EVP_PKEY_OP_CRYPT | EVP_PKEY_OP_DERIVE)

#define EVP_PKEY_OP_TYPE_GEN \
    (EVP_PKEY_OP_PARAMGEN | EVP_PKEY_OP_KEYGEN)

#define  EVP_PKEY_CTX_set_signature_md(ctx, md) \
    EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_TYPE_SIG,  \
                      EVP_PKEY_CTRL_MD, 0, (void *)md)

#define EVP_PKEY_CTRL_MD            1
#define EVP_PKEY_CTRL_PEER_KEY      2

#define EVP_PKEY_CTRL_PKCS7_ENCRYPT 3
#define EVP_PKEY_CTRL_PKCS7_DECRYPT 4

#define EVP_PKEY_CTRL_PKCS7_SIGN    5

#define EVP_PKEY_CTRL_SET_MAC_KEY   6

#define EVP_PKEY_CTRL_DIGESTINIT    7

/* Used by GOST key encryption in TLS */
#define EVP_PKEY_CTRL_SET_IV        8

#define EVP_PKEY_CTRL_CMS_ENCRYPT   9
#define EVP_PKEY_CTRL_CMS_DECRYPT   10
#define EVP_PKEY_CTRL_CMS_SIGN      11

#define EVP_PKEY_CTRL_CIPHER        12

#define EVP_PKEY_ALG_CTRL           0x1000

#define EVP_PKEY_FLAG_AUTOARGLEN    2
/* Method handles all operations: don't assume any digest related
 * defaults.
 */
#define EVP_PKEY_FLAG_SIGCTX_CUSTOM 4

const EVP_PKEY_METHOD * EVP_PKEY_meth_find(int type);
EVP_PKEY_METHOD * EVP_PKEY_meth_new(int id, int flags);
void EVP_PKEY_meth_get0_info(int *ppkey_id, int *pflags,
                             const EVP_PKEY_METHOD *meth);
void EVP_PKEY_meth_copy(EVP_PKEY_METHOD *dst, const EVP_PKEY_METHOD *src);
void EVP_PKEY_meth_free(EVP_PKEY_METHOD *pmeth);
int EVP_PKEY_meth_add0(const EVP_PKEY_METHOD *pmeth);

EVP_PKEY_CTX * EVP_PKEY_CTX_new(EVP_PKEY *pkey, ENGINE *e);
EVP_PKEY_CTX * EVP_PKEY_CTX_new_id(int id, ENGINE *e);
EVP_PKEY_CTX * EVP_PKEY_CTX_dup(EVP_PKEY_CTX *ctx);
void EVP_PKEY_CTX_free(EVP_PKEY_CTX *ctx);

int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype,
                      int cmd, int p1, void *p2);
int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx, const char *type,
                          const char *value);

int EVP_PKEY_CTX_get_operation(EVP_PKEY_CTX *ctx);
void EVP_PKEY_CTX_set0_keygen_info(EVP_PKEY_CTX *ctx, int *dat, int datlen);

EVP_PKEY * EVP_PKEY_new_mac_key(int type, ENGINE *e,
                                const unsigned char *key, int keylen);

void EVP_PKEY_CTX_set_data(EVP_PKEY_CTX *ctx, void *data);
void * EVP_PKEY_CTX_get_data(EVP_PKEY_CTX *ctx);
EVP_PKEY * EVP_PKEY_CTX_get0_pkey(EVP_PKEY_CTX *ctx);

EVP_PKEY * EVP_PKEY_CTX_get0_peerkey(EVP_PKEY_CTX *ctx);

void EVP_PKEY_CTX_set_app_data(EVP_PKEY_CTX *ctx, void *data);
void * EVP_PKEY_CTX_get_app_data(EVP_PKEY_CTX *ctx);

int EVP_PKEY_sign_init(EVP_PKEY_CTX *ctx);
int EVP_PKEY_sign(EVP_PKEY_CTX *ctx,
                  unsigned char *sig, size_t *siglen,
                  const unsigned char *tbs, size_t tbslen);
int EVP_PKEY_verify_init(EVP_PKEY_CTX *ctx);
int EVP_PKEY_verify(EVP_PKEY_CTX *ctx,
                    const unsigned char *sig, size_t siglen,
                    const unsigned char *tbs, size_t tbslen);
int EVP_PKEY_verify_recover_init(EVP_PKEY_CTX *ctx);
int EVP_PKEY_verify_recover(EVP_PKEY_CTX *ctx,
                            unsigned char *rout, size_t *routlen,
                            const unsigned char *sig, size_t siglen);
int EVP_PKEY_encrypt_init(EVP_PKEY_CTX *ctx);
int EVP_PKEY_encrypt(EVP_PKEY_CTX *ctx,
                     unsigned char *out, size_t *outlen,
                     const unsigned char *in, size_t inlen);
int EVP_PKEY_decrypt_init(EVP_PKEY_CTX *ctx);
int EVP_PKEY_decrypt(EVP_PKEY_CTX *ctx,
                     unsigned char *out, size_t *outlen,
                     const unsigned char *in, size_t inlen);

int EVP_PKEY_derive_init(EVP_PKEY_CTX *ctx);
int EVP_PKEY_derive_set_peer(EVP_PKEY_CTX *ctx, EVP_PKEY *peer);
int EVP_PKEY_derive(EVP_PKEY_CTX *ctx, unsigned char *key, size_t *keylen);

typedef int EVP_PKEY_gen_cb(EVP_PKEY_CTX *ctx);

int EVP_PKEY_paramgen_init(EVP_PKEY_CTX *ctx);
int EVP_PKEY_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY **ppkey);
int EVP_PKEY_keygen_init(EVP_PKEY_CTX *ctx);
int EVP_PKEY_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY **ppkey);

void EVP_PKEY_CTX_set_cb(EVP_PKEY_CTX *ctx, EVP_PKEY_gen_cb *cb);
EVP_PKEY_gen_cb * EVP_PKEY_CTX_get_cb(EVP_PKEY_CTX *ctx);

int EVP_PKEY_CTX_get_keygen_info(EVP_PKEY_CTX *ctx, int idx);

void EVP_PKEY_meth_set_init(EVP_PKEY_METHOD *pmeth,
                            int (           *init )(EVP_PKEY_CTX *ctx));

void EVP_PKEY_meth_set_copy(EVP_PKEY_METHOD *pmeth,
                            int ( *copy )(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src));

void EVP_PKEY_meth_set_cleanup(EVP_PKEY_METHOD *pmeth,
                               void (          *cleanup )(EVP_PKEY_CTX *ctx));

void EVP_PKEY_meth_set_paramgen(EVP_PKEY_METHOD *pmeth,
                                int ( *paramgen_init )(EVP_PKEY_CTX *ctx),
                                int ( *paramgen )(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey));

void EVP_PKEY_meth_set_keygen(EVP_PKEY_METHOD *pmeth,
                              int ( *keygen_init )(EVP_PKEY_CTX *ctx),
                              int ( *keygen )(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey));

void EVP_PKEY_meth_set_sign(EVP_PKEY_METHOD *pmeth,
                            int ( *sign_init )(EVP_PKEY_CTX *ctx),
                            int ( *sign )(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
                                          const unsigned char *tbs, size_t tbslen));

void EVP_PKEY_meth_set_verify(EVP_PKEY_METHOD *pmeth,
                              int ( *verify_init )(EVP_PKEY_CTX *ctx),
                              int ( *verify )(EVP_PKEY_CTX *ctx, const unsigned char *sig, size_t siglen,
                                              const unsigned char *tbs, size_t tbslen));

void EVP_PKEY_meth_set_verify_recover(EVP_PKEY_METHOD *pmeth,
                                      int ( *verify_recover_init )(EVP_PKEY_CTX *ctx),
                                      int ( *verify_recover )(EVP_PKEY_CTX *ctx,
                                                              unsigned char *sig, size_t *siglen,
                                                              const unsigned char *tbs, size_t tbslen));

void EVP_PKEY_meth_set_signctx(EVP_PKEY_METHOD *pmeth,
                               int ( *signctx_init )(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx),
                               int (*signctx)(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
                                              EVP_MD_CTX *mctx));

void EVP_PKEY_meth_set_verifyctx(EVP_PKEY_METHOD *pmeth,
                                 int ( *verifyctx_init )(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx),
                                 int (*verifyctx)(EVP_PKEY_CTX *ctx, const unsigned char *sig, int siglen,
                                                  EVP_MD_CTX *mctx));

void EVP_PKEY_meth_set_encrypt(EVP_PKEY_METHOD *pmeth,
                               int ( *encrypt_init )(EVP_PKEY_CTX *ctx),
                               int ( *encryptfn )(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen,
                                                  const unsigned char *in, size_t inlen));

void EVP_PKEY_meth_set_decrypt(EVP_PKEY_METHOD *pmeth,
                               int ( *decrypt_init )(EVP_PKEY_CTX *ctx),
                               int ( *decrypt )(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen,
                                                const unsigned char *in, size_t inlen));

void EVP_PKEY_meth_set_derive(EVP_PKEY_METHOD *pmeth,
                              int ( *derive_init )(EVP_PKEY_CTX *ctx),
                              int ( *derive )(EVP_PKEY_CTX *ctx, unsigned char *key, size_t *keylen));

void EVP_PKEY_meth_set_ctrl(EVP_PKEY_METHOD *pmeth,
                            int ( *ctrl )(EVP_PKEY_CTX *ctx, int type, int p1, void *p2),
                            int (*ctrl_str)(EVP_PKEY_CTX *ctx,
                                            const char *type, const char *value));

void EVP_add_alg_module(void);

/* BEGIN ERROR CODES */
/* The following lines are auto generated by the script mkerr.pl. Any changes
 * made after this point may be overwritten when the script is next run.
 */
void ERR_load_EVP_strings(void);

/* Error codes for the EVP functions. */

/* Function codes. */
#define EVP_F_AESNI_INIT_KEY                           165
#define EVP_F_AESNI_XTS_CIPHER                         176
#define EVP_F_AES_INIT_KEY                             133
#define EVP_F_AES_XTS                                  172
#define EVP_F_AES_XTS_CIPHER                           175
#define EVP_F_ALG_MODULE_INIT                          177
#define EVP_F_CAMELLIA_INIT_KEY                        159
#define EVP_F_CMAC_INIT                                173
#define EVP_F_D2I_PKEY                                 100
#define EVP_F_DO_SIGVER_INIT                           161
#define EVP_F_DSAPKEY2PKCS8                            134
#define EVP_F_DSA_PKEY2PKCS8                           135
#define EVP_F_ECDSA_PKEY2PKCS8                         129
#define EVP_F_ECKEY_PKEY2PKCS8                         132
#define EVP_F_EVP_CIPHERINIT_EX                        123
#define EVP_F_EVP_CIPHER_CTX_COPY                      163
#define EVP_F_EVP_CIPHER_CTX_CTRL                      124
#define EVP_F_EVP_CIPHER_CTX_SET_KEY_LENGTH            122
#define EVP_F_EVP_DECRYPTFINAL_EX                      101
#define EVP_F_EVP_DIGESTINIT_EX                        128
#define EVP_F_EVP_ENCRYPTFINAL_EX                      127
#define EVP_F_EVP_MD_CTX_COPY_EX                       110
#define EVP_F_EVP_MD_SIZE                              162
#define EVP_F_EVP_OPENINIT                             102
#define EVP_F_EVP_PBE_ALG_ADD                          115
#define EVP_F_EVP_PBE_ALG_ADD_TYPE                     160
#define EVP_F_EVP_PBE_CIPHERINIT                       116
#define EVP_F_EVP_PKCS82PKEY                           111
#define EVP_F_EVP_PKCS82PKEY_BROKEN                    136
#define EVP_F_EVP_PKEY2PKCS8_BROKEN                    113
#define EVP_F_EVP_PKEY_COPY_PARAMETERS                 103
#define EVP_F_EVP_PKEY_CTX_CTRL                        137
#define EVP_F_EVP_PKEY_CTX_CTRL_STR                    150
#define EVP_F_EVP_PKEY_CTX_DUP                         156
#define EVP_F_EVP_PKEY_DECRYPT                         104
#define EVP_F_EVP_PKEY_DECRYPT_INIT                    138
#define EVP_F_EVP_PKEY_DECRYPT_OLD                     151
#define EVP_F_EVP_PKEY_DERIVE                          153
#define EVP_F_EVP_PKEY_DERIVE_INIT                     154
#define EVP_F_EVP_PKEY_DERIVE_SET_PEER                 155
#define EVP_F_EVP_PKEY_ENCRYPT                         105
#define EVP_F_EVP_PKEY_ENCRYPT_INIT                    139
#define EVP_F_EVP_PKEY_ENCRYPT_OLD                     152
#define EVP_F_EVP_PKEY_GET1_DH                         119
#define EVP_F_EVP_PKEY_GET1_DSA                        120
#define EVP_F_EVP_PKEY_GET1_ECDSA                      130
#define EVP_F_EVP_PKEY_GET1_EC_KEY                     131
#define EVP_F_EVP_PKEY_GET1_RSA                        121
#define EVP_F_EVP_PKEY_KEYGEN                          146
#define EVP_F_EVP_PKEY_KEYGEN_INIT                     147
#define EVP_F_EVP_PKEY_NEW                             106
#define EVP_F_EVP_PKEY_PARAMGEN                        148
#define EVP_F_EVP_PKEY_PARAMGEN_INIT                   149
#define EVP_F_EVP_PKEY_SIGN                            140
#define EVP_F_EVP_PKEY_SIGN_INIT                       141
#define EVP_F_EVP_PKEY_VERIFY                          142
#define EVP_F_EVP_PKEY_VERIFY_INIT                     143
#define EVP_F_EVP_PKEY_VERIFY_RECOVER                  144
#define EVP_F_EVP_PKEY_VERIFY_RECOVER_INIT             145
#define EVP_F_EVP_RIJNDAEL                             126
#define EVP_F_EVP_SIGNFINAL                            107
#define EVP_F_EVP_VERIFYFINAL                          108
#define EVP_F_FIPS_CIPHERINIT                          166
#define EVP_F_FIPS_CIPHER_CTX_COPY                     170
#define EVP_F_FIPS_CIPHER_CTX_CTRL                     167
#define EVP_F_FIPS_CIPHER_CTX_SET_KEY_LENGTH           171
#define EVP_F_FIPS_DIGESTINIT                          168
#define EVP_F_FIPS_MD_CTX_COPY                         169
#define EVP_F_HMAC_INIT_EX                             174
#define EVP_F_INT_CTX_NEW                              157
#define EVP_F_PKCS5_PBE_KEYIVGEN                       117
#define EVP_F_PKCS5_V2_PBE_KEYIVGEN                    118
#define EVP_F_PKCS5_V2_PBKDF2_KEYIVGEN                 164
#define EVP_F_PKCS8_SET_BROKEN                         112
#define EVP_F_PKEY_SET_TYPE                            158
#define EVP_F_RC2_MAGIC_TO_METH                        109
#define EVP_F_RC5_CTRL                                 125

/* Reason codes. */
#define EVP_R_AES_IV_SETUP_FAILED                      162
#define EVP_R_AES_KEY_SETUP_FAILED                     143
#define EVP_R_ASN1_LIB                                 140
#define EVP_R_BAD_BLOCK_LENGTH                         136
#define EVP_R_BAD_DECRYPT                              100
#define EVP_R_BAD_KEY_LENGTH                           137
#define EVP_R_BN_DECODE_ERROR                          112
#define EVP_R_BN_PUBKEY_ERROR                          113
#define EVP_R_BUFFER_TOO_SMALL                         155
#define EVP_R_CAMELLIA_KEY_SETUP_FAILED                157
#define EVP_R_CIPHER_PARAMETER_ERROR                   122
#define EVP_R_COMMAND_NOT_SUPPORTED                    147
#define EVP_R_CTRL_NOT_IMPLEMENTED                     132
#define EVP_R_CTRL_OPERATION_NOT_IMPLEMENTED           133
#define EVP_R_DATA_NOT_MULTIPLE_OF_BLOCK_LENGTH        138
#define EVP_R_DECODE_ERROR                             114
#define EVP_R_DIFFERENT_KEY_TYPES                      101
#define EVP_R_DIFFERENT_PARAMETERS                     153
#define EVP_R_DISABLED_FOR_FIPS                        163
#define EVP_R_ENCODE_ERROR                             115
#define EVP_R_ERROR_LOADING_SECTION                    165
#define EVP_R_ERROR_SETTING_FIPS_MODE                  166
#define EVP_R_EVP_PBE_CIPHERINIT_ERROR                 119
#define EVP_R_EXPECTING_AN_RSA_KEY                     127
#define EVP_R_EXPECTING_A_DH_KEY                       128
#define EVP_R_EXPECTING_A_DSA_KEY                      129
#define EVP_R_EXPECTING_A_ECDSA_KEY                    141
#define EVP_R_EXPECTING_A_EC_KEY                       142
#define EVP_R_FIPS_MODE_NOT_SUPPORTED                  167
#define EVP_R_INITIALIZATION_ERROR                     134
#define EVP_R_INPUT_NOT_INITIALIZED                    111
#define EVP_R_INVALID_DIGEST                           152
#define EVP_R_INVALID_FIPS_MODE                        168
#define EVP_R_INVALID_KEY_LENGTH                       130
#define EVP_R_INVALID_OPERATION                        148
#define EVP_R_IV_TOO_LARGE                             102
#define EVP_R_KEYGEN_FAILURE                           120
#define EVP_R_MESSAGE_DIGEST_IS_NULL                   159
#define EVP_R_METHOD_NOT_SUPPORTED                     144
#define EVP_R_MISSING_PARAMETERS                       103
#define EVP_R_NO_CIPHER_SET                            131
#define EVP_R_NO_DEFAULT_DIGEST                        158
#define EVP_R_NO_DIGEST_SET                            139
#define EVP_R_NO_DSA_PARAMETERS                        116
#define EVP_R_NO_KEY_SET                               154
#define EVP_R_NO_OPERATION_SET                         149
#define EVP_R_NO_SIGN_FUNCTION_CONFIGURED              104
#define EVP_R_NO_VERIFY_FUNCTION_CONFIGURED            105
#define EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE 150
#define EVP_R_OPERATON_NOT_INITIALIZED                 151
#define EVP_R_PKCS8_UNKNOWN_BROKEN_TYPE                117
#define EVP_R_PRIVATE_KEY_DECODE_ERROR                 145
#define EVP_R_PRIVATE_KEY_ENCODE_ERROR                 146
#define EVP_R_PUBLIC_KEY_NOT_RSA                       106
#define EVP_R_TOO_LARGE                                164
#define EVP_R_UNKNOWN_CIPHER                           160
#define EVP_R_UNKNOWN_DIGEST                           161
#define EVP_R_UNKNOWN_OPTION                           169
#define EVP_R_UNKNOWN_PBE_ALGORITHM                    121
#define EVP_R_UNSUPORTED_NUMBER_OF_ROUNDS              135
#define EVP_R_UNSUPPORTED_ALGORITHM                    156
#define EVP_R_UNSUPPORTED_CIPHER                       107
#define EVP_R_UNSUPPORTED_KEYLENGTH                    123
#define EVP_R_UNSUPPORTED_KEY_DERIVATION_FUNCTION      124
#define EVP_R_UNSUPPORTED_KEY_SIZE                     108
#define EVP_R_UNSUPPORTED_PRF                          125
#define EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM        118
#define EVP_R_UNSUPPORTED_SALT_TYPE                    126
#define EVP_R_WRONG_FINAL_BLOCK_LENGTH                 109
#define EVP_R_WRONG_PUBLIC_KEY_TYPE                    110

#ifdef  __cplusplus
}
#endif
#endif
